Aviation Parts DS12887A+ Real Time Clock RTC Memory Size 114 B

Descriptions of Aviation Parts:

The DS12885, DS12887, and DS12C887 real-time clocks (RTCs) are designed to be direct replacements for the DS1285 and DS1287. The devices provide a real-time clock/calendar, one time-of-day alarm, three maskable interrupts with a common interrupt output, a programmable square wave, and 114 bytes of batterybacked static RAM (113 bytes in the DS12C887 and DS12C887A). The DS12887 integrates a quartz crystal and lithium energy source into a 24-pin encapsulated DIP package. The DS12C887 adds a century byte at address 32h. For all devices, the date at the end of the month is automatically adjusted for months with fewer than 31 days, including correction for leap years. The devices also operate in either 24-hour or 12-hour format with an AM/PM indicator. A precision temperature-compensated circuit monitors the status of VCC. If a primary power failure is detected, the device automatically switches to a backup supply. A lithium coin-cell battery can be connected to the VBAT input pin on the DS12885 to maintain time and date operation when primary power is absent. The device is accessed through a multiplexed byte-wide interface, which supports both Intel and Motorola modes.

Features of Aviation Parts:

♦ Drop-In Replacement for IBM AT Computer Clock/Calendar

♦ RTC Counts Seconds, Minutes, Hours, Day, Date,

Month, and Year with Leap Year Compensation Through 2099

♦ Binary or BCD Time Representation

♦ 12-Hour or 24-Hour Clock with AM and PM in 12-Hour Mode

♦ Daylight Saving Time Option

♦ Selectable Intel or Motorola Bus Timing

♦ Interfaced with Software as 128 RAM Locations

♦ 14 Bytes of Clock and Control Registers

♦ 114 Bytes of General-Purpose, Battery-Backed RAM (113 Bytes in the DS12C887 and DS12C887A)

♦ RAM Clear Function (DS12885, DS12887A, and DS12C887A)

♦ Interrupt Output with Three Independently Maskable Interrupt Flags

♦ Time-of-Day Alarm Once Per Second to Once Per Day

♦ Periodic Rates from 122μs to 500ms

♦ End-of-Clock Update Cycle Flag

♦ Programmable Square-Wave Output

♦ Automatic Power-Fail Detect and Switch Circuitry

♦ Optional 28-Pin PLCC Surface Mount Package or 32-Pin TQFP (DS12885)

♦ Optional Encapsulated DIP (EDIP) Package with Integrated Crystal and Battery (DS12887, DS12887A, DS12C887, DS12C887A)

♦ Optional Industrial Temperature Range Available

♦ Underwriters Laboratory (UL) Recognized.

Specifications of Aviation Parts:

XIXIAN FORWARD TECHNOLOGY LTD., located in Xian High-tech Zone,Shaanxi Province, It is an international trade enterprise and an integrated service solution provider. The company has established long-term and stable strategic partnerships with domestic and foreign manufacturers and agents by relying on its strength. With the advantages of quality control, channel management and satisfactory service, we have won the trust and support of the majority of users through unremitting efforts, thus establishing our own unique and solid position in the relevant application industry. The business mainly involves infrared cameras, laser rangefinders, industrial drones, anti-no equipment, aviation equipment and other products. At the same time, our company also has its own R&D team, which can complete the selection and customization of products according to customer requirements. Our products adopt modular design to ensure that the products are highly standardized and universal, which can meet the needs of customers. The products are exported to the United States, the United Kingdom, Australia, France and other countries, and have won the trust and praise of many partners.

We have the import and export rights approved by the state, passed the ISO19001-2017 quality management system, and obtained a number of international certifications. The company has a professional technical service team that can provide customers with "high-quality products and excellent services", actively participate in international exhibitions such as the Zhuhai Air Show, Munich Optics Expo, and Singapore Air Show, communicate with global customers, understand the latest market trends, and ensure that our products and services are always at the forefront of the industry.

XIXIAN FORWARD TECHNOLOGY LTD.,is committed to becoming a leader in the field of international trade and providing customers with the best quality products and satisfactory services.